//=======================================
void draw()
{
glActiveTexture(GL_TEXTURE0);
glPushMatrix();
myTerrain.drawTerrain();
glPopMatrix();
glPushMatrix();
wall.draw(SLOWDOWN);
glPopMatrix();
//draw tank
glPushMatrix();
myTank.draw(g_ViewMod);
glPopMatrix();
glActiveTexture(GL_TEXTURE1);
}
void renderScene() {
// clear whatever was drawn to the screen last time -
// set the clear color to black and then signal to clear the RGB buffer.
glClearColor( 0, 0, 0, 1 );
glClear( GL_COLOR_BUFFER_BIT );
// switch to GL_MODELVIEW, for when we start using glTranslatef(), glScalef(), etc..
glMatrixMode( GL_MODELVIEW );
glLoadIdentity();
//draw background
drawBackground();
//draw tank
glTranslatef(myTank.location[0],myTank.location[1],0);
myTank.draw();
glTranslatef(-myTank.location[0],-myTank.location[1],0);
//drawObjects
drawObjects();
spawnMissiles();
glutSwapBuffers();
//glFlush();
}
int main(void) {
GLFWwindow* window;
glfwSetErrorCallback(error_callback);
if (!glfwInit())
exit(EXIT_FAILURE);
window = glfwCreateWindow(800, 600, "Simple example", NULL, NULL);
if (!window) {
glfwTerminate();
exit(EXIT_FAILURE);
}
glfwMakeContextCurrent(window);
glfwSetKeyCallback(window, key_callback);
std::cout << "Drawing a window." << std::endl;
Tank tan = Tank();
tan.state.x = 50;
tan.state.y = 50;
long curTicks = 0;
float tps = 25.0f;
while (!glfwWindowShouldClose(window)) {
float ratio;
int width, height;
for (; curTicks < (float) glfwGetTime() * tps; curTicks++) {
gameTick(tan);
}
glfwGetFramebufferSize(window, &width, &height);
ratio = width / (float) height;
glViewport(0, 0, width, height);
glClear(GL_COLOR_BUFFER_BIT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
//glOrtho(-ratio, ratio, -1.f, 1.f, -10, 10);
glOrtho(0, width/2, 0, height/2, -10, 10);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
//glRotatef((float) glfwGetTime() * 10.f, 0.f, 0.f, 1.f);
//glTranslatef((float) glfwGetTime() * 20.f, 0.f, 0.f);
//tan.state.h = (float) glfwGetTime() * -10.f;
//tan.state.turretH = (float) glfwGetTime() * 10.f;
//drawCube(0, 0, 0);
//drawTri();
//glLineWidth(2.f);
tan.draw();
glfwSwapBuffers(window);
glfwPollEvents();
}
glfwDestroyWindow(window);
glfwTerminate();
std::cout << "Byebye" << std::endl;
exit(EXIT_SUCCESS);
}